Camkitmate Aperture Control Focal Reducer Speed Booster Adapter Canon EOS Lens to Micro 4/3 This adapter allows you to attach Canon EOS Mount Lens to a Micro 4/3 Mount Camera Body with Aperature Adjustment Ring Adapter Type: Aperture Control Focus Length Reducer for Micro Camera Lens Mount: Canon EOS Mount Camera Body Mount: Micro 4/3 Camera Mount Adapter Color: Black Constructed from High Quality Metal Optics: 4 elements in 4 groups (including 1 ED lens) Accessories: Front and Rear Caps NOTE: This adapter DOES NOT compatible with Black Magic Pocket Camera This adapter is NOT suitable for EF-S mount lens What you will get: EOS-M4/3 Adapter x 1 Front & Rear Caps x 1